In this 1948 version the narrator says "The best rule for riding at night is consider yourself invisible and ride accordingly". The best advice in the film and it was removed in the 1959 version.
July 24, 2013 Subject:
Watch those cuffs!
This is a bit of an updated version of the film "You and Your Bicycle" released by the same company a few years earlier. Contains much of the same information, eg don't drive at night, maintain your bike, don't show off etc.